Which of the following are sources of network optimization requirements? (Multiple Choice)

• A.As the videoconferencing service is required on the network, add switching devices that support Layer 2 multicast.
• B.After long-term network maintenance, propose suggestions and improvements for centralized rectification.
• C.Replace severely aged signal cables in an ELV well.
• D.For enterprise information security, deploy new security devices.

Comment: *

Name: *

Email: *

Verification: *

If the number of checked goods is different from the number of goods on the packing list, you can unpack and inspect goods and then contact the vendor to handle the inconsistency.

• A.FALSE
• B.TRUE

Comment: *

Name: *

Email: *

Verification: *

Which of the following causes for VRRP group flapping is the most impossible?

• A.The link where VRRP Advertisement packets are transmitted changes from Up to Down frequently.
• B.Association between VRRP and BFD is configured to implement a rapid master/backup switchover.
• C.The interval for sending VRRP Advertisement packets is small.
• D.VRRP packets are discarded randomly because congestion occurs.

Comment: *

Name: *

Email: *

Verification: *

In network design, a redundant network topology can be used to provide higher reliability for customer services. Which of the following topologies can be used to provide redundancy? (Multiple Choice)

• A.Ring topology
• B.Bus topology
• C.Star topology
• D.Dual-star topology

Comment: *

Name: *

Email: *

Verification: *